606: What is the correct sequence of the following Indian states in descending order of their length of surface roads per 100 km. sq. of their area ?
I. Haryana
II. Maharashtra
III. Punjab
IV. Tamil Nadu
Select the correct answer using the codes given below :
Codes :
(a) IV, II, III, I
(b) IV, III, I, II
(c) III, IV, I, II
(d) III, IV, II, I
607: What is the difference between the antelopes Oryx and Chiru?
(a) Oryx is adapted to live in hot and arid areas whereas Chiru is adapted to live in steppes and semi-desert areas of cold high mountains
(b) Oryx is poached for its antlers whereas Chiru is poached for its musk
(c) Oryx exists in western India only whereas Chiru exists in north-east India only
(d) None of the statements (a), (b) and (c) given above is correct
Explanation:
Oryx is one of four large entelope species of the genus Oryx. Three of the species are native to arid parts of Africa, with a fourth native to the Arabian Peninsula. Their fur is pale with contrasting dark markings in the face and on the legs, and their long horns are almost straight. The exception is the Scimitary Oryx, which lacks dark markings on the legs, only has faint dark markings on the head, has an ochre neck, and horns that are clearly decurved. All oryx species prefer near-desert conditions and can survive without water for long periods.
The Tibetan antelope or chiru (Pantholops hodgsonii)is a medium-sized bovid native to the Tibetan plateau. There are less than 75,000 individuals left in the wild, down from a million 50 years ago. Endemic to the Tibetan Plateau, the Tibetan antelope inhabits open alpine and cold steppe environments between 3,250 and 5,500 metres (10,660 and 18,000 ft) elevation. They prefer flat, terrain, with sparse vegetation cover.
608: The four railway junctions shown by numerals 1, 2, 3, 4 on the rough outline map of Gujarat are respectively
(a) Palanpur, Mahesana, Ahmedabad and Vadodara
(b) Mahesana, Surendranagar, Rajkot and Junagarh
(c) Palanpur, Kanda, Bhuj and Okla
(d) Ahmedabad, Vadodara, Bhavnagar and Broach
Explanation:
The Railway unctions marked as 1, 2, 3, 4 are Mahasena, Surendrangar, Rajkot and Jungarh.
609: The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is / are the reason / reasons?
1. Thermal difference between land and water
2. Variation in altitude between continents and oceans
3. Presence of strong winds in the interior
4. Heavy rains in the interior as compared to coasts
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 2 and 3 only
Explanation:
1st statement is true rest are false.
Because at coastal areas Maritime influence takes place ( i.e colder sea breeze comes to the land warmer land breeze goes to the sea and vice-versa in the night) while at the interior of the continent Continental Influence takes place (i.e temperature continues to rise throughout the day and in the night it takes longer time to cool).
610: Which one of the following is not a satellite of Jupiter?
(a) Io
(b) Callisto
(c) Europa
(d) Titan